Iiyama weather in January (Nagano, Japan)

Planning a trip to Iiyama in January? Check out this comprehensive weather guide.

In January, Iiyama generally has low temperatures and heavy snow/rainfall. January is a winter month. Throughout the day, temperatures typically settle at around 3°C. But by evening, they drop to around -5°C. Typically, it's the chilliest month of the year. Ensure you're prepared by packing appropriate winter gear.

Iiyama in January usually receives heavy snow/rainfall, averaging around 202 mm for the month. Snow/rain is expected on roughly 25 days.

The area experiences limited sunny days, amounting to roughly 67 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Iiyama. May generally stands out with the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Iiyama climate page with graphs.

 

Iiyama, monthly averages in January

Min TemperatureMin Temperature -5°C  
Max TemperatureMax Temperature 3°C  
Chance of RainChance of Rain 83%  
PrecipitationPrecipitation 202 mm  
Rainy daysRainy days 25 days  
HumidityHumidity 78% *  
SunshineSunshine 67 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Joetsu, Japan (30 KM, 18 Miles).

Where to go in Japan in January

Find out more about the weather in Japan in January and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Iiyama in January?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in January.

Swimming
4/10
Cycling
3/10
Walking
3/10
Camping
1/10
Outdoor sports
3/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Iiyama.

Our site offers climate and forecast data for every country in the world. Are you going to Japan? On this website you can find historical weather averages for many cities in Japan. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.